Independent consultancy guiding organisations through digital transformation. We cut through vendor noise, apply best practice, and design secure, future-proof systems — from strategy to live operations.
We deliver independent consultancy combining secure design, cloud expertise and IT leadership — helping clients modernise critical systems with confidence.
I3S Advisory is delivering secure IT infrastructure and advanced surveillance solutions. The name I3S stands for Intelligent Infrastructure, Innovation & Integrated Solutions — a reflection of our mission to design systems that are resilient, future-proof and built around client needs.
“We help organisations navigate the complexity of digital transformation with confidence, acting as a trusted partner from early strategy through to live operations.”
Our vendor-agnostic approach ensures clients are not tied to single technologies or suppliers. We work across transport, healthcare, and critical infrastructure — where resilience, compliance, and measurable outcomes are essential.
Pragmatic, best-fit solutions — never tied to a single supplier
Transport, healthcare and critical infrastructure environments
TOGAF, ITIL, GDPR, IEC 62443 and NCSC CAF applied throughout
From early strategy through to live operations and governance
Intelligent Infrastructure
• Innovation •
Integrated Solutions
A selection of projects across transport, public sector, policing and critical infrastructure.
Led the architectural design and integration strategy for a nationwide visual safety system. Focused on unifying legacy and IP-based surveillance systems, enabling secure remote access, and aligning with IEC 62443 cyber standards.
Transport · IEC 62443 · SurveillanceDelivered a modernised IT and security architecture transitioning core services from legacy systems to a hybrid cloud model — incorporating layered security controls, intelligent identity management and centralised monitoring.
Public Sector · Hybrid Cloud · IdentityEnd-to-end technical leadership enhancing situational awareness through integrated digital video systems. Re-architected network pathways and embedded cyber-secure connectivity for command and control.
Policing · CCTV · Network SecurityComprehensive cyber and architecture assessment against IEC 62443 and NCSC CAF for a large operational network. Identified systemic risks and delivered a roadmap for secure segmentation and governance uplift.
Critical Infra. · NCSC CAF · CyberSupported the definition of a cloud-first video and analytics solution for distributed transport hubs, balancing edge performance with centralised visibility. Secure multi-tenant design with open APIs — bridging operational technology and cloud ecosystems.
Transport · Cloud · Analytics · OTReady to transform your digital infrastructure? Reach out and let’s discuss how I3S Advisory can help your organisation.
Whether you’re starting a programme, need independent strategic guidance, or want to explore how we can support your organisation — we’d like to hear from you.